Open AccessProcess parameter optimization of wire EDM on weldment of Monel 400 and AISI 316 grade steel
Author(s) -
P. Hema,
K Aparna
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1132/1/012027
Subject(s) - monel , brass , electrical discharge machining , materials science , taguchi methods , orthogonal array , surface roughness , machining , pulse (music) , metallurgy , pulse duration , wire speed , mechanical engineering , composite material , voltage , engineering , optics , alloy , copper , laser , physics , electrical engineering
The purpose of this paper is to explore the optimal set of input parameters such as pulse on time, pulse off time and wire tension in Wire Electrical Discharge Machining (WEDM) on weldment of dissimilar metals of Monel 400 and AISI 316 grade steel using brass wire. This experiment describes the difference in values in material removal rate (MRR), surface roughness and kerf width with change in three process parameters. A rectangle shaped cut is made using ZNC WEDM. Each combination of parameters is considered according to the L9 Orthogonal array. Taguchi method based grey relational analysis is used and analyzed results indicated that pulse on time has a significant effect on three output parameters. 9 th experiment, i.e., pulse on time at 150μs, pulse off time at 40μs, wire tension of 14 kg-f are found to be optimal process parameters.